package com.woniuxy05;

/**
 * @author 作者
 * @create 2025-07-24 17:25
 */
public class Computer {
    //电脑有一个usb接口
    private Usb usb;

    public void setUsb(Usb usb){
        this.usb = usb;
    }

    public void usbWork(){
        usb.work();
    }
}
